Length: 39cm Thickness: 2cm These are black keyaki (Japanese zelkova) my-bachi (drumsticks) with a double grip. If you would like to add an additional grip, it will be +300 yen. The wood and density have been carefully selected. These are all-purpose type drumsticks suitable for roll techniques and old-style consecutive hits. Standard mail (no tracking, no insurance): +0 yen Rakuraku/Yuuyu Mercari delivery (with tracking, insurance from the post office): +600 yen Please note that standard mail has neither tracking nor insurance. These are handmade items, so we do not recommend purchase for those seeking perfection. Thank you for your understanding.